bug#39485: [PATCH] make tests/cp/preserve-gid work with single binary

[Kamil Dudka]

* tests/cp/preserve-gid.sh: If configured with --enable-single-binary
copy the coreutils single binary, instead of the cp one-line launcher.

Bug: https://bugzilla.redhat.com/1800597
---
 tests/cp/preserve-gid.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tests/cp/preserve-gid.sh b/tests/cp/preserve-gid.sh
index e48584c1e..41cdbc6ca 100755
--- a/tests/cp/preserve-gid.sh
+++ b/tests/cp/preserve-gid.sh
@@ -110,7 +110,13 @@ cleanup_() { rm -rf "$tmp_path"; }
 # is not readable by our nameless IDs.
 test -d /tmp && TMPDIR=/tmp
 tmp_path=$(mktemp -d) || fail_ "failed to create temporary directory"
-cp "$abs_path_dir_/cp" "$tmp_path"
+if test -x "$abs_path_dir_/coreutils"; then
+  # if configured with --enable-single-binary we need to use the single binary
+  cp "$abs_path_dir_/coreutils" "$tmp_path"
+  echo "#!$tmp_path/coreutils --coreutils-prog-shebang=cp" > "$tmp_path/cp"
+else
+  cp "$abs_path_dir_/cp" "$tmp_path"
+fi
 chmod -R a+rx "$tmp_path"
 
 t1() {
-- 
2.21.1